Precision X-ray spectroscopy of intense laser-plasma interactions

被引：5

作者：

Woolsey, N. C. ^{[1
]}

Clarke, R. J. ^{[2
]}

Doria, D. ^{[3
]}

Gizzi, L. A. ^{[4
]}

Gregori, G. ^{[5
]}

Hakel, P. ^{[6
]}

Hansen, S. B. ^{[7
]}

Koester, P. ^{[4
]}

Labate, L. ^{[4
]}

Levato, T. ^{[4
]}

Li, B. ^{[2
]}

Makita, M. ^{[3
]}

Mancini, R. C. ^{[6
]}

Pasley, J. ^{[1
,2
]}

Rajeev, P. P. ^{[2
]}

Robinson, A. P. L. ^{[2
]}

Wagenaars, E. ^{[1
]}

Waugh, J. N. ^{[1
]}

Booth, N. ^{[1
,2
]}

机构：

[1] Univ York, Dept Phys, York YO10 5DD, N Yorkshire, England

[2] STFC Rutherford Appleton Lab, Cent Laser Facil, Didcot OX11 0QN, Oxon, England

[3] Queens Univ Belfast, Dept Math & Phys, Belfast BT1 4NN, Antrim, North Ireland

[4] CNR, UOS Adriano Gozzini, Ist Nazl Ott, ILIL, I-56100 Pisa, Italy

[5] Univ Oxford, Dept Phys, Oxford OX4 1PJ, England

[6] Univ Nevada, Dept Phys, Reno, NV 89577 USA

[7] Sandia Natl Labs, Albuquerque, NM 87185 USA

来源：

HIGH ENERGY DENSITY PHYSICS | 2011年 / 7卷 / 02期

基金：

英国工程与自然科学研究理事会; 英国科学技术设施理事会;

关键词：

X-ray polarisation spectroscopy; Fast ignition; Petawatt laser - matter interactions; FAST-ELECTRON TRANSPORT;

D O I：

10.1016/j.hedp.2011.03.001

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Polarisation sensitive emission spectroscopy measurements are reported for a petawatt laser-solid target interaction at intensities up to 5 x 10(20) Wcm(-2). These measurements were single-shot and used pairs of highly-orientated graphite spectrometers to resolve the sulphur Ly-alpha doublet. The sulphur Ly-alpha(1) component shows a large positive polarisation indicative of a low energy electron beam in the plasma, the Ly-alpha(2) component acts as a cross-spectrometer calibration. The measurements show a significant anisotropic or beam-like component to a cold return current. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：105 / 109

页数：5

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